103 800 881 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite: proven not-prime with PRP test

TF

No factors below 2⁷⁶

TF target 2⁷⁶

P-1

B1 =	650000
B2 =	22000000

Status	Date	User	Residue	Shift	Type	Base
Verified	2021-05-28	George Woltman	CEEE90AD9BCA53E7	0	1	3

History

Date	User	Type	Result
2021-05-29	Ben Delo	CERT	PRP Certification CERT proof power = 8 Proof certified good
2021-05-28	George Woltman	C-PRP	CEEE90AD9BCA53E7 PRP proof power = 8 PRP: Verified Proof certified good
2021-05-12	Kriesel	NF-PM1	B1=650000, B2=22000000
2020-08-29	Bill Staffen	NF	no factor from 2^75 to 2^76
2020-03-10	LaurV	NF	no factor from 2^74 to 2^75
2019-09-11	Niels_Mache_Nextcloud	NF	no factor from 2^73 to 2^74
2019-09-11	Niels_Mache_Nextcloud	NF	no factor from 2^72 to 2^73
2014-12-27	Judge Hale	NF	no factor from 2^71 to 2^72
2014-10-23	workerthread	NF	no factor from 2^70 to 2^71
2014-05-08	Smok_bmv	NF	no factor from 2^69 to 2^70
2014-05-08	Smok_bmv	NF	no factor from 2^68 to 2^69
2014-05-08	Smok_bmv	NF	no factor from 2^66 to 2^68
2012-05-02	Torchwood Institute	NF	no factor from 2^65 to 2^66
2010-09-14	ekrumme	NF	no factor from 2^64 to 2^65
2010-04-17	Torchwood Institute	NF	no factor from 2^63 to 2^64